4078447155 has 24 divisors (see below), whose sum is σ = 7089591600. Its totient is φ = 2168930880.

The previous prime is 4078447133. The next prime is 4078447171. The reversal of 4078447155 is 5517448704.

It is not a de Polignac number, because 4078447155 - 2¹⁵ = 4078414387 is a prime.

It is a super-2 number, since 2×4078447155² = 33267462392255188050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 4078447155.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114141 + ... + 145550.

It is an arithmetic number, because the mean of its divisors is an integer number (295399650).

Almost surely, 2^4078447155 is an apocalyptic number.

4078447155 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4078447155 is a deficient number, since it is larger than the sum of its proper divisors (3011144445).

4078447155 is a wasteful number, since it uses less digits than its factorization.

4078447155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260051 (or 260048 counting only the distinct ones).

The product of its (nonzero) digits is 627200, while the sum is 45.

The square root of 4078447155 is about 63862.7211681432. The cubic root of 4078447155 is about 1597.7112007422.

The spelling of 4078447155 in words is "four billion, seventy-eight million, four hundred forty-seven thousand, one hundred fifty-five".